Technology Process of Benzoic acid (3S,5R,8R,9S,10R,13R,17R)-17-((R)-1,5-dimethyl-hexyl)-4,4,10,13-tetramethyl-2,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
There total 4 articles about Benzoic acid (3S,5R,8R,9S,10R,13R,17R)-17-((R)-1,5-dimethyl-hexyl)-4,4,10,13-tetramethyl-2,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester which
guide to synthetic route it.
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synthetic route:
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309958-27-8
Benzoic acid (3S,5R,8R,9S,10R,13R,17R)-17-((R)-1,5-dimethyl-hexyl)-4,4,10,13-tetramethyl-2,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
- Guidance literature:
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With
hydrogenchloride;
In
dichloromethane;
at -20 ℃;
for 0.5h;
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309958-27-8
Benzoic acid (3S,5R,8R,9S,10R,13R,17R)-17-((R)-1,5-dimethyl-hexyl)-4,4,10,13-tetramethyl-2,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
- Guidance literature:
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Multi-step reaction with 3 steps
1: H2 / 10 percent Pd/C / ethyl acetate
2: pyridine
3: 70 percent / HCl gas / CH2Cl2 / 0.5 h / -20 °C
With
pyridine; hydrogenchloride; hydrogen;
10% palladium on active carbon;
In
dichloromethane; ethyl acetate;
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309958-27-8
Benzoic acid (3S,5R,8R,9S,10R,13R,17R)-17-((R)-1,5-dimethyl-hexyl)-4,4,10,13-tetramethyl-2,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
- Guidance literature:
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Multi-step reaction with 5 steps
1.1: potassium tert-butoxide / tetrahydrofuran; 2-methyl-propan-2-ol
1.2: tetrahydrofuran; 2-methyl-propan-2-ol / 1.17 h
2.1: 63 percent / LiAlH4 / tetrahydrofuran / 1.5 h
3.1: H2 / 10 percent Pd/C / ethyl acetate
4.1: pyridine
5.1: 70 percent / HCl gas / CH2Cl2 / 0.5 h / -20 °C
With
pyridine; hydrogenchloride; lithium aluminium tetrahydride; potassium tert-butylate; hydrogen;
10% palladium on active carbon;
In
tetrahydrofuran; dichloromethane; ethyl acetate; tert-butyl alcohol;